Workers from Etzel Masonry of Butler on Monday fix damage caused by lightning at the Grace@Calvary Lutheran Church on East Diamond Street. The building had damage to the roof after lightning struck the church dome during a storm June 11. Work to replace the stone began June 30. After masons complete repairs today, workers from Gary L Neff Roofing & Contracting will slate the roof. Work is expected to be complete the end of next week.